3d_export

$12

sorting and quantitative packaging machine

...automatic peeling, real-time photographing, data encryption, time display, etc.; single / double channel feeding mode can be adopted, and...

3d_export

$21

round bottle labeling machine

...of round bottle objects. it can be pasted with single label and double label. the space between front and...

thingiverse

free

3dSets Model 7 Buggy Window regulator hand cranks by Superclodbuster

...for mmu printing in different colors or as a single piece there is a spacer to be used between...

thingiverse

free

Enclosure for -DIY Multiple voltage Output pcb W329

...pcb w329 thingiverse enclosure case for diy usb boost single turn dual module linear regulator multiple output power kit...

thingiverse

free

Power Supply by mauroalfieri

...power supply is a project that unifies in a single case a step-down dc-dc lm2596s, a voltmeter and a...

thingiverse

free

Low Voltage Regulator (12V)

...with a 2 to 1 adapter i connector that single plug to the voltage regulator and connected a 12v...

thingiverse

free

Buck-Verter Adjustable Lab Type Psu With Lm2596 (Voltage Regulator / Buck Converter) by ybeyin

...1 x lm 2596 dc / dc buck converter (single button) amazon aliexpress - 1 x 10 turn potentiometer...

3d_sky

free

Showcase single with drawers "Florian"

...in the showcase are regulated by height. facade of jacketed with root-wood veneer. dimensions (wxhxd): 883h2165h516 color: waln

thingiverse

free

Scuba DIN 300/200 Support by microtus

...modification, which is screwed to the wall with a single screw and in the back has a slit to...

thingiverse

free

PSU Board Mount by Marrak

...it has two holes for the psu and a single hole to mount to a board. i used 3/4"...

thingiverse

free

I2C level shifter with 2x3 pin header (for fischertechnik)

...shifter (look for the red pcb with two channels) single dip switch 2x3 male pin header 2x3 female pin...

thingiverse

free

3D Reconfigurable Chessboard by Firebeardsforge1296

...too big for my print bed. try printing a single layer 7 part to see how your chess pieces...

thingiverse

free

Raspberry Pi Case - Wall Or Monitor Mounted With HDMI Option by Dimwit-Dave

...1n4001 diode 1off 5mm led plus resistor (could be single colour or rbg) 1off raspberry...

thingiverse

free

Bubble Machine by SC_Hawk

...modified for continuous rotation sg90 amazon search has a single quantity price of 1.99 at the time of posting...

thingiverse

free

Largueur simple ou pince pour FIMI A3 / Single width or clamp for FIMI A3 by patric123

...everse the servo on its support to switch from width to gripper the clamp comes from: https://www.thingiverse.com/thing:3247600 .

thingiverse

free

Single/Dual Ikea Ledbreg Holder for 2020 Extrusion by TalZiv

...7 that were on sale and work on 24v. i cut the wires of the ledberg and connected them to the free terminals on the printers psu.

thingiverse

free

UK Light Switch Covers (Single and Double Switch) W/ Side Access by Cait4Code

... used superglue to attach ours perminantly but you can use double sided sticky tape so you're able to remove at a later date.

thingiverse

free

ESP 8266 mounting plate

...small baseplate for using an esp8266 together with a single screw sensor such as for weatherstations, measuring current /...

thingiverse

free

USB Rechargeable Mini Solder Fume Extractor by pburgess

...the hakko+adafruit usb rechargeable cordless soldering iron project. a single microusb charging cable keeps all your portable electronics tools...

thingiverse

free

DPS3003 Power Supply Case by stlspartan

...back so that a stack can operate from a single wall supply by bridging. as designed, the power comes...

thingiverse

free

DIY table electric height adjust IoT smart home z-wave by Mannni

...top of my case cover and printed as a single ...

thingiverse

free

NASA Psyche Mission: Spacecraft by PsycheMission

...the solar panels is about the size of a single tennis court. the body of the spacecraft is slightly...

thingiverse

free

Rostock Max Dual PSU panel by earlynerd

...iec y cable to power both supplies from a single ...

thingiverse

free

Covid-19 Air Disinfection by PetrHorn

...24v, regulated current 50ma with lm317 regulator and one single resistor. on october 6th, 2020 the alu tube model...

thingiverse

free

All Gender Sign by CaptObvious

...sign by captobvious thingiverse on march 1, 2017, all singleuser toilet facilities in any business establishment, place of public...

thingiverse

free

DSO150 Loop Holder

...scope falling into the engine compartment. it's only a single channel scope with a 200khz bandwith but it should...

thingiverse

free

Arris SB6190 and TL-SG108 Rack Mount - Fan cooled (STEP) by RTWILEYRC

...has the modem mount, fan, power supply, and a single keystone mount. the other half is for mounting a:...

thingiverse

free

Replicator MightyBoard Protection Part 1 by garyacrowellsr

...three endstop lines, plus a ground, out to a single 4-pin connector. it will take some creative placement, but...

thingiverse

free

Modular NodeMCU Relay Controller by Wildcat801

...on the front of garage door. all from a single nodemcu running tasmota firmware. i started with a relay...

thingiverse

free

Raspberry Pi A/B mount for 20x20mm Misumi Aluminum Extrusion by LumberjackEngineering

...to do to print is just plug in a single power cable, navigate a browser to the octoprint page,...

thingiverse

free

Elphidium spp. (Rhizaria/Foraminifera) by geofablab

...were separated into their own category because they are singlecelled organisms. forams are one of the major limestone producers...

thingiverse

free

GEEETech i3B/C (PRINTED version): Refurbished Plastic by Luca_Benedetto

...proposes the acrylic prusa i3 pro series, b for single extruder and c for dual extruder, with metallic idler,...

thingiverse

free

Gopro Hero 6/7 backpack for Tina Whoop by ezk8

...buttons 450mah 3s battery auw: 160g flight time to single cell 3.5v: 3.5...

thingiverse

free

FPV Evil Insect Quadcopter by Stefan

...frequency. camera: 170 degree wide angle camera battery: 500mah single cell batteries props: i am currently using ladybird props....

thingiverse

free

Compact 18650 COB LED work light. by VagueDirector

...is a wip simple work light, it takes a single 18650 battery. there are only two modes (on and...

thingiverse

free

LED Camping Light

...a battery protection/charger module. the light source is a single 3w led which needs some sort of cooling to...

thingiverse

free

Chair uplift foldable for table leg "TYPE-C" by stv-is-it

...a small contribution) complete and working element in a single print. allows you to keep the chair lifted from...

thingiverse

free

Bluetooth antenna mod by hattedsquirrel

...of range but then fail after 4m or a single drywall. this thing connects a propper antenna to a...

thingiverse

free

19mm Wheel Spike

...spikes on your car. the basic spike has a single 19mm hex, but the pointer spike has a dual...

thingiverse

free

Micro Quadcopter 105mm 110mm FPV Scisky by Printbus

...v2.1 boards have two rows of pads and a single connector that are meant for use in a overskyrc...

thingiverse

free

USB Power Bar by Hustensaft

...so i decided to install a multicharger in every single corner in the house. it took me a bunch...

thingiverse

free

Sourbot by gewfy

...motor velleman mot3n adafruit perma-proto half-sized breadboard pcb - single 5v 1.5a linear voltage regulator - 7805 to-220 12v...

thingiverse

free

3D 2" squares Split Chessboard by Firebeardsforge1296

...size. standard pieces will work fine. try printing a single layer 1 part to see how your chess pieces...

thingiverse

free

Semi-Tube & Tube 'BOB' (dominant left Hand) by APing

...left hand version) plus the little feature to clip-in single or looped tubes important: please secure the clip-slot with...

thingiverse

free

Semi-Tube & Tube 'BOB' by APing

...semi-tube slingshot: http://www.thingiverse.com/thing:1589828 plus the little feature to clip-in single or looped tubes important: please secure the clip-slot with...

thingiverse

free

Piezo + FFC Extruder Head Cable PCB by pyr0ball

...side of the chain replaced voltage regulators with a single lm317 @1.5a. voltage selection is now handled via changing...

thingiverse

free

Strida Bicycle Electric Conversion Kit by hobbyman

...circumference. the belt can be tightened by using the single large screw next to the motor. i've used this...

thingiverse

free

Warp Core lamp over 5 foot

...pipe (2) 12v usb charging 3 port (1) 12v single port usb charging adapter at least 2 amp to...

thingiverse

free

FormBot T-Rex 2+ Control Cover for 80mm Fan by ManiacalLabs

...whole cover and replace the 2 fans with a single 80mm. the fan i found is a noctua nf-r8...

thingiverse

free

DC DC booster - Phone hack by mrjefferson105

...16.connection way:soldering,v-in is input,usb is output 17.size:20206.8mm application fields: 1.single lithium battery boost 5-12v output 2.charging for digital device:such...

thingiverse

free

Triceratops Skull in Colorado, USA by Cool3DModel

...other of danger and lessen their chances of being single out by a predator. however, triceratops was unusual in...

thingiverse

free

YPV OPEN 180/250 Race frame. by Yannicflight

...added. edit: motor protection v2 added, click-on instead of single screw fix to the arms. edit: 5mm rigid bottom...

thingiverse

free

Prototyping Breadboard by PyDrew

...prototyping breadboard by pydrew thingiverse a single breadboard is great when prototyping with a microcontroller and...

thingiverse

free

Cpap Mask Filter Adapter by Spencera95

...point to make a better seal. found that a single layer of electrical tape works well. petg is the...

thingiverse

free

Hot-end insulation for Raise3D single extruder printers N1/N2/N2+. by ABH_

...ble in the plot. in the second plot the temperature is raised to 260 °c and further to 300 °c. the settling times are very short.

thingiverse

free

Rotorhazard Drone Racing Personal Lap timer - One Node by Cerberus

...one node by cerberus thingiverse this is a standalone single node rotorhazard drone racing lap timer. intended as a...

thingiverse

free

Portable DPS3003/5 PSU by mile264

...power supply modules. main features of this psu are: single part 3d printed case (no supports needed). xt60 and...

thingiverse

free

Fatshark/Skyzone FPV goggles lead battery box with volt & ammeter V1 by rcwingman

...them one by one into the charger. => every single cell! one by one! maybe you are a lazy...

thingiverse

free

Dart Gun by ARROW50

...bands to act like a slingshot. i use a single large rubber band as my bow string. i also...

thingiverse

free

DIY Ventilator by donzash

...that can be laser cut and doesn't require a single bolt or tool to assemble. additional needed hardware: laser...

thingiverse

free

Monobot, the single servo robot

...o high friction and the robot jumps around or topple. arduino code included. how could you improve the performance of this robot?

thingiverse

free

Semi-Tube & Tube 'OpSource' by APing

...find here:http://slingshotforum.com/topic/50425-semi-tube-slingshot-pouchband-attachment/ tests with multilayer tbb (blue&black) showed that single layer tbs/tbg should be no problem. tube channel with...

thingiverse

free

Semi-Tube & Tube 'OpSource' (dominant left Hand) by APing

...find here:http://slingshotforum.com/topic/50425-semi-tube-slingshot-pouchband-attachment/ tests with multilayer tbb (blue&black) showed that single layer tbs/tbg should be no problem. tube channel with...

thingiverse

free

ABSolute Flow Limiter (for small chinese aquarium pumps) by Luni

...especially true if you install the limiter having a single hole (1/4 of flow). if you will use this...

blendswap

free

OpenGl High Rise Pack

...a pack of 8 low-poly high rise buildings with single layer baked low-res textures (with ambient occlusion), reflections, night-time...

thingiverse

free

Box Mod -Bottom Feeder- Mark II (DNA 30 by Evolv support) by Pandoras_Box

...power from 7 to 30 watts, runs from a single lithium cell and includes protective features such as overcurrent,...

thingiverse

free

Box Mod -Botton Feeder- Mark IV by Pandoras_Box

...power from 7 to 30 watts, runs from a single lithium cell and includes protective features such as overcurrent,...

thingiverse

free

Box Mod -Botton Feeder- Mark I by Pandoras_Box

...power from 7 to 30 watts, runs from a single lithium cell and includes protective features such as overcurrent,...

thingiverse

free

MT 125 Adapter für Blinkerhalter hinten / MT 125 Adaptor for Rear Turn Signal Holder by MyPrinterAndMe

...down for german language version) non-commercial provision of a single construction file in stl-format for an adaptor for a...

thingiverse

free

amg8833 up to 64x64 Arduino thermal camera pointer single part print by jamesvilleneuve

...mosi to mosi . mosi->[5][6] rest of lcd display pinout tcs pin to arduino pin 10 rst to arduino pin 9 d/c to arduino pin 8

thingiverse

free

Adjustable Laboratory Power Supply 1-12V by guniamc

...dc-dc step down converter xl4005https://www.aliexpress.com/item/5a-dc-dc-step-down-adjustable-power-supply-module-dc-dc-step-down-voltage-regulator-kit/32486868611.html?spm=2114.search0104.3.16.6e4360a2khhezo&ws_ab_test=searchweb0_0,searchweb201602_4_10152_10151_10065_10344_10068_5722912_10342_10343_10340_5722612_10341_10696_5722812_10084_10083_10618_5722712_10307_10821_10302_10059_100031_10103_10624_10623_10622_10621_10620_5722512,searchweb201603_2,ppcswitch_5&algo_expid=922af29b-5bb7-42a8-8843-f771dcd96972-2&algo_pvid=922af29b-5bb7-42a8-8843-f771dcd96972&pricebeautifyab=0 voltmeterhttps://www.aliexpress.com/item/mini-digital-voltmeter-voltage-tester-meter-0-28-inch-2-5v-30v-led-screen-electronic-parts/32854836483.html?spm=2114.search0104.3.17.289e1aa2a9uc2f&ws_ab_test=searchweb0_0,searchweb201602_4_10152_10151_10065_10344_10068_5722912_10342_10343_10340_5722612_10341_10696_5722812_10084_10083_10618_5722712_10307_10821_10302_10059_100031_10103_10624_10623_10622_10621_10620_5722512,searchweb201603_2,ppcswitch_5&algo_expid=0ded3e44-df96-47b2-bc47-f0dffbb22591-2&algo_pvid=0ded3e44-df96-47b2-bc47-f0dffbb22591&pricebeautifyab=0 ammeterhttps://www.aliexpress.com/item/mylb-digital-led-ammeter-amp-panel-power-indicator-ammeter-dc0-10a-red/32746074493.html?spm=2114.search0104.3.185.7e0c34e1pi8umn&ws_ab_test=searchweb0_0,searchweb201602_4_10152_10151_10065_10344_10068_5722912_10342_10343_10340_5722612_10341_10696_5722812_10084_10083_10618_5722712_10307_10821_10302_10059_100031_10103_10624_10623_10622_10621_10620_5722512,searchweb201603_2,ppcswitch_5&algo_expid=58fb70d0-d4fe-4127-aeaf-5a88004de7bf-28&algo_pvid=58fb70d0-d4fe-4127-aeaf-5a88004de7bf&pricebeautifyab=0 10k potentiometer 6mmhttps://www.aliexpress.com/item/5pcs-6mm-b10k-3pin-singlelinear-rotary-potentiometer-15mm-knurled-shaft-potentiometers-10k-ohm-with-nuts/32850060071.html?spm=2114.search0104.3.2.1cdd537eroquve&ws_ab_test=searchweb0_0,searchweb201602_4_10152_10151_10065_10344_10068_5722912_10342_10343_10340_5722612_10341_10696_5722812_10084_10083_10618_5722712_10307_10821_10302_10059_100031_10103_10624_10623_10622_10621_10620_5722512,searchweb201603_2,ppcswitch_5&algo_expid=2fe94854-b445-4847-be32-5d3c35842df8-0&algo_pvid=2fe94854-b445-4847-be32-5d3c35842df8&pricebeautifyab=0 m3, m4 screws and nuts for abs i made...

thingiverse

free

SMT pick and place vacuum hand picker by zapta

...filter (filed to fit the airline). this is a single piece design a handle for vacuum hand picker for...

thingiverse

free

12v LED Flashlight / Battery Pack by Dranoweb

...between both sides. you want a spst (single pole single throw) with a 6mm neck and body depth of...

thingiverse

free

Ez Arduino 8 DOF Quadruped Robot - MiniKame by manic-3d-print

...gstduino board here as it integrates everything on a single pcb. so it's a lot easier for people to...

thingiverse

free

NIRODHA's HPA Bullpup Nerf Blaster

...slingmount(s) that attach to the picatinny a magpull style single to two point sling(hybrid) a scar (i have a...

thingiverse

free

DC Power Supply With Charger

...lm2577 = $11 koobook 3pcs tp5100 4.2v 8.4v double single lithium battery charge management lithium charging board compatible 2a...

thingiverse

free

Batsignal (From movie: The Dark Knight Rises, 2012) by Arquit3D

...files have been updated, including the splitted pieces in single ones for big print beds and tall printers. also...

renderosity

$30

Movie Sets, City Block 12

...system with a crate load<br /> <br /> 6 single trees that may be sized and moved as you...

thingiverse

free

Indirect Light Fixture Kit by candicemakes

...lighting fixture that i designed to fit over a single gang wall box for permanent installation, or to be...

thingiverse

free

PWM mount kit for variable fan speed on FlashForge Creator Pro by DrLex

...aggressively. if you plan to use my highly optimized singleextruder cooling duct, having a way to control the fan...

thingiverse

free

Wireless MySensors solar weather and pool monitoring by fcerbell

...never last less than 8h with reasonnable illumination, a single solar panel will be enough to maintain batteries capacity....

thingiverse

free

Wind Turbine Concept - HMS Windy One by Semml

...not too much different bolt sizes less overall / single print times adjustable on different locations -> wind speed...

thingiverse

free

Lipo Tester for NP BX1 by Halbelunge

...3.3v ldo and has a lower output voltage for single cell votlages of 3.6 volts. so the processor does...

thingiverse

free

CamJam EduKit #3 Robot Chassis for the Raspberry Pi by DanielBull

...volt meters. the third option is to get a single cell lipo battery (3.7v) and a boost converter to...

thingiverse

free

Semi-Tube Slingshot by APing

...here: http://slingshotforum.com/topic/50425-semi-tube-slingshot-pouchband-attachment/ tests with multilayer tbb (blue&black) showed that single layer tbs/tbg should be no problem. steel ball dispenser...

thingiverse

free

DIY Low cost bench power supply based on the MINGHE ZXY6010S DC to DC Step Down / Buck Power Supply by Legacy_Micro

...programmable power supply model: zxy-6010s specification: zxy6010s is a one-single output, high powered and programmable switching power supply. its...

thingiverse

free

Semi-Tube Slingshot for the right hand (left handed version) by APing

...here: http://slingshotforum.com/topic/50425-semi-tube-slingshot-pouchband-attachment/ tests with multilayer tbb (blue&black) showed that single layer tbs/tbg should be no problem. steel ball dispenser...

thingiverse

free

Tesla coil using simple Slayer exciter by Lodestone

...is the simplest method i could find being a single transistor oscillator which is basically a tank oscillator but...

thingiverse

free

Audio Alert using a DFPlayer module by JMadison

...https://www.aliexpress.com/item/5pcs-315mhz-wl-rf-transmitter-and-receiver-link-kit-arm-mcu-good/32639255382.html https://www.aliexpress.com/item/gold-5-pcs-pj392-3-5mm-stereo-female-sockect-jack-3-5-audio-headphone-connector/32832960027.html https://www.aliexpress.com/item/10pcs-lot-dc-022-dc-power-jack-socket-dc-connector-adapter-interface-dc022-5-5x2-1mm/32802087337.html https://www.aliexpress.com/item/10pcs-lot-3cm-x-7cm-double-side-prototype-pcb-3-7-proto-board/32684354535.html 4 & 8 pin female headers:https://www.aliexpress.com/item/singlerow-female-2-54mm-pitch-pcb-female-pin-header-connector-straight-single-row-2-3/32838866439.html the holes to attach the boards are m2. the...

thingiverse

free

osmmac - OpenSource Vending Machines by netpipe

...need to shake and tap it consistantly. with free single popcorn dispenser that you have to use your fingers...

thingiverse

free

The Anti-Gravitator Thru-Hole Version by dewhisna

...doesn't seem to be doing anything, and there's a single point in the adjustment band where it wants to...

thingiverse

free

Mars Base - Fully modular by Ryan_S

...starship models but in different configurations. one is a single starship alone and then there are three spacex starships...

renderosity

$30

Movie Sets, Ocean Front

...2,023 trees as one prop<br /> <br /> 1 single umbrella<br /> <br /> 1 volley ball net and...

thingiverse

free

Automatic Pet Feeder With Simple Encoder by krizzli

...again, those are very robust for me, not a single failed rotation in 2...

thingiverse

free

The Mars Acropolis by cstarrman

...the amount of oxygen produced by a tree: "a single mature tree can absorb carbon dioxide at a rate...

thingiverse

free

DemonDeltaMicro - Lipo Pack Addon Module by DjDemonD

...cool missile fire switch - ebay 10a, double pole, single throw -lipo battery monitor (not 100% essential but i...

thingiverse

free

SpaceX inspired edf rocket by Bribro12

...x4 running ardupilot v4.0.4 which is configured as a single copter. i'm essentially building a single copter in the...

thingiverse

free

Corexy plasma cutter by Stoney

...the 2 x carriage beams and 2 idlers. a single low one on diagonal corners and a single high...

thingiverse

free

Rasptop 2.0 The Better Raspberry Pi 7" Laptop *Source Files Included* *UPDATED a lot* by morganlowe

...as is! i am using the asus tinkerboard inside mine:https://www.asus.com/us/singleboard-computer/tinker-board/ powerful board that fits where an rpi3 fits! inside...

thingiverse

free

RF Item Tracker by littleStrong

...become a single-piece design. it can be cost-effective in singleboard manufacturing because, currently, there is a minimum order criterion....

thingiverse

free

WeldingRod Bot: Exactly Constrained 3D Printer by Weldingrod1

...cable chains came out well! cutting and extending every single wire... ugh. there is a photo of what the...

thingiverse

free

Intro to welding for girls 11-14 by Troop25215

...pieces of metal to make them act as a single piece. welding is vital to our economy. it is...

thingiverse

free

AVZ CoreXY 3D Printer (MGN Linear Rails & Laser Cut Pieces) by AVZ

...those who use something different. -dzsm mod (dual z single motor) is under development. i'll soon release the stl...

thingiverse

free

Arduino powered Portal Gun by Lunchbox7985

...going to just use 2 jewels), and only a single 8 ohm speaker hooked to the amp, with the...

thingiverse

free

X-129R "Monster Whoop" - Micro Brushless 3D Printed FPV Quadcopter Drone Frame Kit by Karamvir_Bhagat

...you to stack plates together to make up a single piece. this adds flexibility and shock resistance and also...

thingiverse

free

RC Boat - Pump Jet Boat / 遥控船-喷射泵 by N7_Cat

...(apx 2 grams). note this part narrows to a single wall of 0.4mm tpu - slowing down print speed...

grabcad

free

MOONEY REGULATOR SINGLE PORT 3"-150#

...mooney regulator single port 3"-150# grabcad single port valve, dn 3 in, 150#/rf

grabcad

free

Kaplan turbine with adjustable runner blade

...*the kaplane turbine can be divided in double and single regulated turbines. **a kaplane turbine with adjustable runner blades...

grabcad

free

Go Regulator

...go regulator grabcad hpr-2 series electrically heated regulator single stage pressure reducing regulator equipped with a electrically heated...

grabcad

free

VICTOR DOME REGULATOR

...regulator grabcad victor® model dl700-500 heavy duty nitrous oxide single stage regulator, cga-500 part number:...

grabcad

free

DF64 input flow regulator

...regulate flow of beans into the grinder. designed for singlewall filament printing (1mm wide, 0.5mm layer...

grabcad

free

Pressure regulator 207 series Concoa

...pressure regulator 207 series concoa grabcad single stage pressure regulator, concoa 307 series on wall bracket...

grabcad

free

Air Liquide Line Regulator BS 50

...liquide line regulator bs 50 grabcad line regulator - single stage mounting on pipe network or wall valve point...

grabcad

free

LPLHOSF – DRUVA®PUR LINE REGULATOR

...lplhosf – druva®pur line regulator grabcad line regulator 4-port single stage line regulator is used in gas supply systems...

grabcad

free

BENDIX 1409934

...grabcad brake pressure proportion valve from fiat 141 panda. single line regulator with 2* m10x1...

grabcad

free

Pettinaroli 91 Series PICV valve

...regulation valve and 2 port control valve into a single ...

grabcad

free

AQUA-LUNG MISTRAL Top Box 1002-16

...top box to the model of the aqua-lung mistral single stage double-hose scuba regulator i made up in autocad...

grabcad

free

Ferrari Formula 1 car

...1 car grabcad a formula one car is a singleseat, open cockpit, open-wheel racing car with substantial front and...

cg_trader

$5

Aqualung two STEPS

...regulator phase instead of converting the pressure in a single step, like in the old models equipment diving aqualung...

grabcad

free

Butterfly Valve

...closed, it requires only a quarter turn. wafer, lug, singleflange, flange are the regular types of butterfly...